Price checked on October 13, 2026
Cell eSIM for Vietnam: our review
- Vietnamese networkMobiFoneViettelVinaphone
- Listed
- 3.7/5 · 60 · Trustpilot
- 7 vietnam plans · from $3.59
- 5G
- Unlimited
Verdict
Cellesim connects to MobiFone, Viettel, Vinaphone. Cellesim · 1 GB · 7 days · from $3.59
This page is generated from our eSIM registry and has not yet been reviewed by an editor in this language.
Cellesim in Vietnam: the facts
- Vietnamese network
- MobiFone, Viettel, Vinaphone
- https://cellesim.com/en/vietnam
- 5G
- Yes
- Hotspot
- Not stated
- Phone number
- not stated
- Plan starts
- at first connection in Vietnam
- Must activate within: 180 days
- Top-up
- Not stated
- Refunds
- Refunds only for technical failures caused by Cellesim that support cannot resolve; no refund for locked phones, user error, wrong device or change of mind; cooling-off right waived once the QR code is delivered.
- Support
- email, chat, 24/7
- Trustpilot
- 3.7/5
- 60 · October 13, 2026
- Unlimited
- 1 GB
- Type
- International eSIM
- Last checked
- October 13, 2026
- Cellesim is listed from a one-off check on October 13, 2026; prices may have changed since.
Cellesim Vietnam plans and prices
| Plan | Data | Validity | Network | Price | per GB |
|---|---|---|---|---|---|
| Vietnam 1 GB 7 days | 1 GB | 7 days | MobiFoneViettelVinaphone | $3.59 | $3.59 |
| Vietnam 3 GB 30 days | 3 GB | 30 days | MobiFoneViettelVinaphone | $8.40 | $2.80 |
| Vietnam 5 GB 30 days | 5 GB | 30 days | MobiFoneViettelVinaphone | $13.20 | $2.64 |
| Vietnam Unlimited 7 days (1 GB/day) | Unlimited (1 GB/day) | 7 days | MobiFoneViettelVinaphone | $16.90 | $2.41 |
| Vietnam 10 GB 30 days | 10 GB | 30 days | MobiFoneViettelVinaphone | $24.08 | $2.41 |
| Vietnam 20 GB 30 days | 20 GB | 30 days | MobiFoneViettelVinaphone | $35.20 | $1.76 |
| Vietnam Unlimited 30 days (1 GB/day) | Unlimited (1 GB/day) | 30 days | MobiFoneViettelVinaphone | $72 | $2.40 |
Read on Cellesim's website on October 13, 2026. Prices in US dollars, before any promo code.
Cellesim promo code
Cellesim has no public promo code at the moment. Discounts, when they exist, apply automatically through the link below; we remove codes as soon as they stop working.
What Cellesim customers complain about
Trustpilot score 3.7/5 on 60 reviews (read on October 13, 2026). The recurring themes:
- eSIM never connected or stopped before validity end
- slow or unreliable data
- refund refused and unanswered emails
Installing a Cellesim eSIM for Vietnam
- Check that your phone is eSIM-compatible and carrier-unlocked (Settings → About → "Digital SIM" or "EID" on Android, "Add eSIM" on iPhone).
- Buy the plan on Cellesim's site or app and install it at home on Wi-Fi: scan the QR code or let the app add it.
- Label the line "Vietnam", keep your home SIM for calls and SMS, and turn on data roaming for the eSIM line only.
- Leave mobile data on your home line off before take-off. On landing, select the Cellesim line for data: the plan starts counting at first connection.
- No signal after a few minutes? Toggle airplane mode, then pick the network manually in the cellular settings.
Alternatives to Cellesim for Vietnam
For the same trip, here is what the other brands charge: (10 days, 5 GB)
- VietnamobileVietnamobile5 GB/day · 10 days$1.54
- ViettelViettel5 GB/day · 15 days$3.09
- MobiFoneMobiFone1 GB/day · 30 days$3.86
Cellesim in Vietnam: questions
Which network does Cellesim use in Vietnam?
Cellesim connects to MobiFone, Viettel, Vinaphone. Plans on the Viettel network
Is Cellesim's unlimited plan really unlimited?
No. Cellesim applies a daily fair-use cap: 1 GB. Light use is never affected; video and tethering are.
Do I get a Vietnamese phone number with Cellesim?
No. Cellesim is data-only: no Vietnamese number, so no Vietnamese SMS. Calls go through WhatsApp or your home line in roaming.
Can I share Cellesim's connection as a hotspot?
Not stated
When does the Cellesim plan start?
The plan starts at first connection in Vietnam. Install it at home, keep data roaming off on that line until you land.
Related guides
Other eSIM brands for Vietnam
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